Finding the Fourth Proportional to 1,210,402.08, 1,815,894.72 and 368,902.08
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Solution
The fourth proportional to 1,210,402.08, 1,815,894.72 and 368,902.08 is: 553,441.99
Step by Step Solution
- Step 1: Write the proportion equation
1,210,402.08 : 1,815,894.72 = 368,902.08 : x - Step 2: Convert to fraction form
1,210,402.08/1,815,894.72 = 368,902.08/x - Step 3: Cross multiply
1,210,402.08x = 1,815,894.72 × 368,902.08 - Step 4: Simplify right side
1,210,402.08x = 669,887,339,269.02 - Step 5: Solve for x
x = 669,887,339,269.02/1,210,402.08 - Step 6: Final answer
x = 553,441.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.